Knitting-machine.



G. D. MAYU.

KNITTING MACHINE.

APPLICATION rILBD 212.11, 1908.

Patented Aug. 1.8, 1914 2 SHEETBSHBBT 1.

Invenivr @A90 eljbay l A@ fg G. D. MAY0.\ AKNITTING MACHINE.

APPLICATION FILED FEB. 17.1908.

1,107,816. Patente-d Aug. 18, l1914..

2 SHEETS-SHEET 2.

-' y Lunor:

Il '0.1m 'w/wm .it may concern:

' GEORGE 1 MAYO, or LAcoNIA, NEW HAMrsm'm-z.

KNITTING-MACIINE.

--Beit .lmownthat I, Gn'on'on D. Maro, a

`citizen of the United States, and a resident 'of Laconia, in 'the-county of Belknap and Improvement 'in'. =Ktittmg Machines, of

which the following descriptiomlin connection withjthe accompanying drawings, is a Y fraine 'of the macli`- e, the skeleton cy-lin--. 40

cylinder, are and may be vsimilar 1n conf In .the-accompanyln 32.6

'the corresponding vnisni specification, like letters on the drawings representing-like parte. his invention inl-.knitting machines r e. lates more partieularly to machines employed in the productionof hosiery.

My invention' may'fbe conveniently 1llus-. trated in connection with the machineshown and describedA in Letters Patent `o the United States issued to me, dated AprilQl, 1903, No. 726.178,-to which reference may be had.v

ticularly refeised to.

patent referred to; and Fig.. 2,'a perspective detail described; Fig. 3 isa diagram. of one product o 'the machine illustrating -8 areas knit at different speeds.

The aeompanying drawings, exhibitingY an illustrative embodiment of my invention,

show a. sufficient portionv of an operative knitting. machine 'to to be understood. f1,

The needle c5i'linjd'er4 1 and its carrier 2 having' a lug 3, resting upon a supporting rodf mounted in the base plate Av and der-S, the needle Vcylinder support. or carrier 2 -verticallyfxnov'able within a guide 6 depending izorruthe bed plate of the machine head; the Vne edles"n,'fn mounted in the needle 'cylinderand havingtheir `butts fn' working between the bars'S of the skeleton struction and" generil. modeof operation to parts similarly designated, in my said Patent No. 726178. The bevel geen' Eforming part of the driving mechanism for said machine, and the clutch mechanism-:yf which vthe lever 12() constitutes a part, may :o oelsimilar to that illustrated in my patent. The vthread changing, minier-(ting, and picker operating mechacf which the vertical operating rod 92 specification or Lem-.rs raient.

Application tiled-February 7. 1908. Serial No. 416,171.

have invented an l My inventiiiconsi'sts in certain improve! mentsin vthe construction of a knitting m'af -,chin`e .whieh. will "be hereinafter'more pardrawings: Figure illustrates in side vievandpartial section a" A knitting machine-such as shown in'my earlier .enable my invention rat-tente Aau@yg-51:3-, 1914.

is herein shown, togethier with the segment in the barrel 101, the pattern chain' 14'( and the correspondingly .desi said patent, .vided )with face cgims 194,195, "which ctr.

on a lever 196, fuler'umed al: 197 .to act upon a lug 198 on supportingl; 'rod 4 and lift thev needle cylinder,` operates as in my Stantially simultaneously with the change from circular'fto reciprocatory .-kni'tting. This because' the slower vmotion of the cylinder together w ith' the tension' of..the taleeup on the yarn, .durngreeiprocatory knitting, causes the stitchesltobe draw-n more tightly and tlflereffore'tof 'a shortenlength 4(work, 'witheutjthftake'up. hay found,

of the rcircular knitting Should be rdliQed substantially. to that forreeiproetory kr'iitting prior, byA one -0r fnore.'. t1i%es, to'. the 'actual change to reciprocato'iyf knitting, but the last one orfmofe coursesvof circular work so knit under. the I'Speed would, un#

shorter stitch tl'ianithe circular work .immediately preceding 4fg'and also shorter than the Work following it Ain the foot, :1s-indicated in Fi 3. In saidA lligure', the leg L may have been nit at anormalspeed as far as the line whereupon-.the remainin circu-l theslower 'speed` the circular foot'Fv may sie to the recip'rocallyknit toe T talring'plaee at the line zza', leavingthe courses at y' to be l have'herein provided said'leverjlf( (see l `1g..`-2) with an 'auxiliaryf arm 400, ful*- .crumed thereon -at 401 and .provided with va 195. This auxiliary stud/102 is met by said cams sulliciently in advance fof the time when said cams would netto4 lift the lever 196 and its needle cylinder,- tO cause said lethe vmoment of 'reduction' in speed,1thereby offsetting the stitch shorteningiendency due to the speed reduction andl causing the cirgears 95, '96, the arm 98, operated by a cam.

parts controlled thereby,- may likewiselbe" similar' in construction ,and operation to.

operate with adjustable Contact erfbersl99 said patent to lengthenithe 'stitches sulofV cularcourses thereafter knit by the slower gnatedparts Ain my The horizontalv'barrel 101, prov than' under the' 'Y higher circular however, that -frlthefljes't eii'lts't- @speed '85 `der usual conditions-f exhibita closer and.

lar courses yexhibjt theveeets note Following the reciprocaflly knit --heel H, made atv knit at a normal speed, the vreduction prier knit at the lreduced speed-1T@ obate this,

ioo

roller stud 402 that overl'esthe cams 194, l

ver to be lifted to `lengthen the stitches at monly thrown in for the ,heel-,.,pr the differ-l;

' tory knitting4 sufficiently to' ptd'uce'- stitches the reduction in speed-and'inadvincefef the speed of the machine to 'appear of substanl ployedl ifi d tially the same length as those preceding and following? itknit tat" the `hi'ghert speed and" with the cylinder depressed. The additional or thickening thread coment threjdfnsd inf'knitting the heelbis provided fo'r andtakeri intocOnSidraltion in. adjusting the contact members 199n .on the.: Alever l196,"torgiiefthe nedlefcylinder Alfpr lengthening' the stitches lurin the recinto- A catory movements of the .maiine NVhemv however,` said! needle, c'yliiriderr'is raised for len'gtlrenir'lg`` the;V -stitch`es' "dli'ring .the lastV complete rotations ofthe alicyll'nder while the SPeed-,srdlnled immediately-'prcedng reciprocatgry knitting?, noladditional nii heel threads ere -in1 juse-.,-tliey fire,- not brought into Se @til-th..re-pryfatery.knftngfactually beginsend because. of .this and Lother lengthenA the ,stitches p'ridr to 'reciproatory knitting be djustable-independently of the stitch lengthening meansl that "Aare employed during reciprocatory vknitting, f ,Tlhis .is-pro- `vided for-in' the nstrctongde'scribed by employing l fr 'separate adjusting; screw 40,31 for varying the'distment of t @auxiliary arm 400 reltiveltoitsmain, armfl.- By;

der may be rised'in advance cifrecip rqcglf'V them te be unnecessary.'l

Claims l Y v f1. .In aiknittiiig-iimchine'adapte-f cular and reciproca-tory ivork, circlar-mid reciprocatory knitting metns, in g means operative during f circiilari lniitting in advance 'fvs'aid-YreciproclttryA,knitT j ting. meiins, and means to lengthnj-thejet'itclr during* circular knitting simnltuneotxsly with;

reciprocatory knitting-Ito 'anV 'extent ltu com pensate for the'reduced stitchlength inc tient to speed reduction.'

2, In a'knitting machine "of the class re- 1 pensate for 'ularand rciprocatory wo ik ating therewith to operate it, the auxiliary" f arm 400 operatively conr-iectedl to llever ,19

,andits 'rollerJ stuid 401;, combined audioperat-` y ing as described.

lcular and -reciprocatory work circulr and .reciprocatory knittlig means,

.ing means effective during 'c ir lilar 'and 're'- f .I ciprqcatory, knitting,` andmeair t0-.lengthen the stitches. to.` different vlengths preceding and also'for reciprocatory knitting to com- 5. In a knitting mfachinelidapted for vcir.- U ,l means to voperate the 'parts :for circular knitting, means .to op'erate'the :pn rts `for 'recflbroatory-knit-Y -ting at less-than theinaximumspeed for circulzgr knitting-meansfto reduce-the speed of "theparts for one or 'more courses just prior to reciprocatory knitting, means to lengthen vvtheustitches during and for reciprocatory ,knitting 'andccp'eirating"connections t0- ilengthen the stitches d-ixrmgfand-for the redecreased stitch.l length incident -.to speed.reducti0n'.-`

duction in yspeed just prior itc reiprocatory knitting, sa-id connections., being 'fzdjustable emette-'pare .forfeit u, reperite ting A'alii .-knitting', .eans Aprocatory, kn 1t-. nmz-speed for 'cirjust lprior to reci'prn'catery knitting-'mens to. iengthen 4the stitches during 'andufor rev ,jipro'cgtory knitting to such' an mdunt. that nth-the tht tifriinp; thread thefstitclies'forA v rei-.iprocato'ry knitting substantially equal 1nI t, "length vthenolrnfil stitches .of cirixla'r ,knit-v ting,- :md coperahtingconnections@ .lengthen .Y

t le stitches, *dnring'ftheflseid rdctlon in speed in circularknittingsndpriorto the ml 1, traduction of saidjthicke'xiing thread to such an'v amc/lint 'that the' 'stittlesl ltiitteo dnring .the `said reduction in apeadxn czrealerlknitf ting and withoixtthe-thieisehng thi-'escl sebv the parts .to reciprocatory knitting, means to lengthen Y the stitches fiiiringgnf far reelprocet'y and v connectans te fur one er more courses just prim' lengthen the stitches during and for the reduction in speed just prior to reciprocatory knitting.

v 8. In a circular knitting machine adapted` for circular find reciprocat'ory work, means to operate the. parts for circular knitting,

means to oper'ate the parts vfor reciprocatory knitting at less than the maximum speed for circular. knitting, means to reduce the speedv tions to lengthenvthe stitches during and for the reduction in speed just prior to reci ro 15 catory knitting to an amo-unt substauitiallyy to compensate for the decreased stitch length incident to speed reduction in Acircular knit ting. i

In testimony whereof, I have signed my 20 name'to this specification, in the presence of two subscribing witnesses.

v I GEORGE D. MAYO.

VVitnesY w: I

HASY W. DANIELL,

H. O. ROBERTS. 

